<template>
  <div class="login-container">
    <div class="login-center">
      <el-container>
        <el-aside width="300px">
          <img
            style="border-style: none;margin: 100px -58px;position: absolute;"
            src="../../assets/imgs/u29.png"
          >
          <div id="u27_text" class="text ">
            <p style="font-size:22px;"><span style="font-family:'微软雅黑 Bold', '微软雅黑 Regular', '微软雅黑';font-weight:700;text-decoration:none;position: absolute;margin: 227px -94px;color: #FFFFFF;">庭审运维管控平台</span></p>
            <p style="font-size:16px;"><span style="font-family:'微软雅黑';font-weight:400;text-decoration:none;position: absolute;margin: 262px -96px;color: #FFFFFF;">Centralized Recording System</span></p>
          </div>
        </el-aside>
        <el-main>
          <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
            <div class="title-container">
              <h3 class="title">用户登陆</h3>
            </div>
            <el-form-item prop="username">
              <span class="svg-container">
                <svg-icon icon-class="user" />
              </span>
              <el-input
                ref="username"
                v-model="loginForm.username"
                placeholder="请输入用户名"
                name="username"
                type="text"
                tabindex="1"
              />
            </el-form-item>

            <el-form-item prop="password">
              <span class="svg-container">
                <svg-icon icon-class="password" />
              </span>
              <el-input
                :key="passwordType"
                ref="password"
                v-model="loginForm.password"
                :type="passwordType"
                placeholder="请输入密码"
                name="password"
                tabindex="2"
                auto-complete="on"
                @keyup.enter.native="handleLogin"
              />
              <span class="show-pwd" @click="showPwd">
                <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
              </span>
            </el-form-item>
            <el-row style="text-align: left">
              <el-checkbox v-model="rememberMe">记住密码</el-checkbox>
            </el-row>

            <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;margin-top: 18px;" @click.native.prevent="handleLogin">登陆</el-button>
          </el-form></el-main>
      </el-container>
    </div>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import * as CryptoUtils from '@/utils/cryptoUtils'
import { publicKey } from '@/constant/constant'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('用户名不能为空'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码不能为空'))
      } else {
        callback()
      }
    }
    return {
      rememberMe: false,
      loginForm: {
        username: 'admin',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  mounted() {
    const rememberMe = localStorage.getItem('rememberMe')
    // eslint-disable-next-line no-eval
    if (eval(rememberMe)) {
      this.rememberMe = true
      console.log(localStorage.getItem('passwd'))
      if (localStorage.getItem('passwd') !== undefined && localStorage.getItem('passwd') != null &&
        localStorage.getItem('passwd') !== '') {
        this.loginForm.password = localStorage.getItem('passwd')
      }
    } else {
      this.rememberMe = false
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          const passwd = this.loginForm.password
          const userName = this.loginForm.username
          const param = {}
          param.password = CryptoUtils.encryptByRSA(publicKey, passwd)
          param.username = CryptoUtils.encryptByRSA(publicKey, userName)
          this.$store.dispatch('user/login', param).then(res => {
            console.log('login success')
            console.log(res)
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
            if (!this.rememberMe) {
              localStorage.setItem('rememberMe', false)
              localStorage.setItem('passwd', '')
            } else {
              localStorage.setItem('rememberMe', true)
              localStorage.setItem('passwd', this.loginForm.password)
            }
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    // color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 50px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      // color: $light_gray;
      height: 50px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    // background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#eee;
$dark_gray:#889aa4;
$light_gray:#eee;
.login-center{
  background-image:url('../../assets/imgs/u6.svg');
  border-width: 0px;
  position: absolute;
  left: -10px;
  top: -10px;
  width: 920px;
  height: 470px;
  text-align: center;
	margin: auto;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
}
.login-container {
  min-height: 100%;
  width: 100%;
  // background-color: $bg;
  background-image:url('../../assets/imgs/u1_state0.svg');
  background-color: rgba(236, 245, 255, 1);
  overflow: hidden;

  .login-form {
    position: absolute;
    width: 380px;
    max-width: 100%;
    // padding: 160px 35px 0;
    margin: 34px 115px;;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      font-family: '微软雅黑 Bold', '微软雅黑 Regular', '微软雅黑';
      font-weight: 700;
      text-decoration: none;
      // color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  ::v-deep .el-form-item__content{
    line-height: 40px;
    position: relative;
    font-size: 14px;
    margin-top: 21px;
    border: none;
    border-radius: 3px;
    border: 1px solid #CCCCCC;
  }

  // ::v-deep .el-form-item__content :hover{
  //   line-height: 40px;
  //   position: relative;
  //   font-size: 14px;
  //   margin-top: 21px;
  //   border: none;
  //   border-radius: 3px;
  //   border: 1px solid  rgb(64,158,255);
  // }
  ::v-deep .el-main {
    display: block;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    -ms-flex-preferred-size: auto;
    flex-basis: auto;
    /* overflow: auto; */
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 20px;
  }
  ::v-deep .el-input__inner {
      // 设置光标颜色
      caret-color: #454545;
   }
}
</style>
